Lamp



FIG. 1 is a top front perspective view of a lamp in accordance with my design;

FIG. 2 is a top plan view of the lamp in accordance with my design;

FIG. 3 is a left side elevational view of the lamp in accordance with my design, the right side being a mirror image thereof;

FIG. 4 is a rear elevational view of the lamp in accordance with my design; and,

FIG. 5 is a bottom plan view of the lamp in accordance with my design.

The broken lines show the environment in which the article is used and are not considered part of the design claimed. 

The ornamental design for the lamp, as shown and described. 